CM05FD391GO3

Series:	CM05
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	390pF
Tolerance:	±2%
Voltage - Rated:	500V
Dielectric Material:	Mica
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Through Hole
Package / Case:	Radial
Lead Spacing:	0.232" (5.90mm)
Features:	General Purpose
Size / Dimension:	0.469" L x 0.209" W (11.90mm x 5.30mm)
Height - Seated (Max):	0.390" (9.90mm)

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Mica and PTFE capacitors are one of the most widely used components in electronic circuits. CM05FD391GO3 is a type of mica and PTFE capacitors which has very good properties and features.The CM05FD391GO3 capacitors are also referred to as Mica and Polytetrafluoroethylene (PTFE) capacitors or mica and Teflon capacitors, and are built with thin, dielectric mica and fluorinated ethylene propylene (FEP or PTFE) films. These capacitors are developed specifically for high frequency radio frequency (RF) and microwave applications due to their excellent RF shielding, high frequency stability and high dielectric stiffness.The construction of this CM05FD391GO3 capacitor is a ceramic core with a mica and PTFE-based dielectric between two metal electrodes, which are usually made from a high-grade alloy such as Monel. The FEP film is laminated to a layer of biaxially oriented polypropylene (BOPP) and then made into a sandwich with the mica layer. This configuration provides a very thin and reliable dielectric layer for use in RF and microwave applications.The working principle of the CM05FD391GO3 capacitor is simple. The capacitor functions to store the electrical energy given to it by the source, such as an RF signal. This electrical energy is then stored in the form of an electric field between the two electrodes of the capacitor. When a voltage is applied to the capacitor, a charge is stored in the dielectric material between the two electrodes. This allows the capacitor to store a certain amount of charge in a given amount of time, making it useful in many different applications.The most common applications for the CM05FD391GO3 capacitors include the use in high frequency filters, oscillators, and mixers, in addition to use in power supplies and amplifiers. These capacitors are also commonly used in mobile and wireless communications systems and military and aerospace electronic systems. The high frequency stability and shielding capability of this capacitor makes it an ideal choice for RF and microwave circuits.The CM05FD391GO3 capacitors also offer the advantage of low temperature coefficient, which may be a deciding factor for some applications. The life expectancy of this type of capacitor is typically quite high with typical lifespans of up to 25 years. Additionally, since they are resistance-free, they can be used in applications with higher voltages than traditional mica capacitors.Overall, the CM05FD391GO3 capacitors are a great choice for use in high frequency circuits and applications. They offer excellent shielding, high frequency stability, and long life expectancies. The low temperature coefficient also makes them appealing for certain applications. Additionally, they are resistance-free, which makes them suitable for use in applications with higher voltage than traditional mica capacitors.

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